#!/bin/bash
function s1_hello(){
 echo "hello,world!"  
}
function s2_tell_who_i_am(){
echo "Enter you name:"
read user_name
 echo "user name is $user_name"
}
function s3_which_distro_do_i_use(){
 NAME="Beta Linux"
echo $NAME 
}
function  s4_view_my_cpu_arch(){
  uname -m
}
function s5_show_first_scsi_disk_size(){
 lsblk -l |\grep disk|\grep'^sda'|awk'{print $4}'
}
function s6_show_main_memory_size_in_megabytes(){
free -m|grep "Mem:" |awk'{print$2}'
} 


